本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 通用国际物理
[单选题]
A satellite is in a low ci8ys :u.nt iy5eydwt bcw7+m;p t*gj 35rcular orbit about the Earth (i.e., it+zo r:w l+u 5y3jitpy; just skims the surface of the Earth). How long does ii+;o5rwztpyyu+ l j3:t take to make one revolution around the Earth? (The mean radius of the Earth is $6.38 \times 10^{6} \; m$.)
A. $81 \; min$
B. $85 \; min$
C. $89 \; min$
D. $93 \; min$
参考答案: B
本题详细解析:
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